GET RESOURCE XHR error construct2 and cocoonjs jax calling

Hi I have posted the same error here https://www.scirra.com/forum/viewtopic.php?t=103706 but maybe here is more understandable

am doing an ajax call to a service,in web works good but when i export to cocoonjs its doesn´t work.

GET RESOURCE XHR 'myurl' storeage/emulated/0/android/com.ideateca.cocoonjslauncher/files/

some one know why a cold have this error and where i can start to solve it?

there is a .capx

Thanks